Home / 64,986.90-97,480.35-36,896.10

Finding the Fourth Proportional to 64,986.90, 97,480.35 and 36,896.10

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Solution

The fourth proportional to 64,986.90, 97,480.35 and 36,896.10 is: 55,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.90 : 97,480.35 = 36,896.10 : x
  2. Step 2: Convert to fraction form
    64,986.90/97,480.35 = 36,896.10/x
  3. Step 3: Cross multiply
    64,986.90x = 97,480.35 × 36,896.10
  4. Step 4: Simplify right side
    64,986.90x = 3,596,644,741.64
  5. Step 5: Solve for x
    x = 3,596,644,741.64/64,986.90
  6. Step 6: Final answer
    x = 55,344.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.